{"product_id":"200pcs-watch-o-ring-gasket-set-18-sizes-rubber-waterproof-seals-watchmaker","title":"200Pcs Watch O-Ring Gasket Set | 18 Sizes Rubber Seals for Watchmakers","description":"\n\u003ch2\u003e200-Piece Watch Back Case Rubber O-Ring Gasket Kit for Watchmakers\u003c\/h2\u003e\n\u003cp\u003eKeep your timepieces running perfectly with this comprehensive \u003cstrong\u003e200-piece rubber O-ring gasket set\u003c\/strong\u003e — an essential addition to any watch repair toolkit. Whether you're a seasoned watchmaker or a passionate hobbyist, these precision-fit gaskets deliver a reliable watertight seal across virtually all watch models.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This O-Ring Gasket Set\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18 Size Variety:\u003c\/strong\u003e Includes sizes ranging from 16mm to 30mm (~11 pcs per size), offering wide compatibility across almost all watch brands and models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Rubber Construction:\u003c\/strong\u003e Made from high-quality rubber that resists deterioration, maintaining a firm and flexible seal through everyday wear and repeated use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install \u0026amp; Remove:\u003c\/strong\u003e The flexible design slips into place effortlessly and is just as simple to remove — no special expertise required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Liquid Protection:\u003c\/strong\u003e Creates a precision seal on watch back cases to guard against moisture and liquid ingress, helping preserve your watch's internal movement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient Boxed Storage:\u003c\/strong\u003e All 200 gaskets are neatly organized in a compact storage box (approx. 4.33 × 2.68 × 0.59 inches) so you always find the right size quickly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.5mm \u0026amp; 0.6mm Thickness Options:\u003c\/strong\u003e Two thickness variants included to ensure precise fitment across a wider range of watch case backs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 200 pieces (approx. 11 pcs per size)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize Range:\u003c\/strong\u003e 16mm – 30mm (18 sizes)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.5mm \/ 0.6mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBox Dimensions:\u003c\/strong\u003e Approx. 11 × 6.8 × 1.5 cm \/ 4.33 × 2.68 × 0.59 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 45g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Organized box of 200 rubber O-ring watch gaskets (18 sizes)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eProfessional watchmakers, watch repair shops, jewelry technicians, and watch enthusiasts who need a reliable, all-in-one gasket solution for routine maintenance and replacement work.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on watchmaking standards and repair best practices, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eLooking to complete your repair toolkit? Check out our other great finds:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003e\"1% Better Every Day\" Motivational Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/are-you-pooping-funny-cat-bathroom-canvas-wall-art-print\"\u003e\"Are You Pooping?\" Funny Cat Bathroom Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How many O-ring gasket sizes are included in this 200-piece watch gasket set?\u003c\/h4\u003e\n\u003cp\u003eA: This set includes 18 different sizes ranging from 16mm to 30mm, with approximately 11 pieces per size, totaling 200 rubber O-ring gaskets. This wide range ensures compatibility with the vast majority of watch back cases on the market.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What thickness options are available in these watch back case O-ring gaskets?\u003c\/h4\u003e\n\u003cp\u003eA: The kit includes gaskets in two thickness variants — 0.5mm and 0.6mm — to provide a more precise and secure fit for different watch case back profiles.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these rubber O-ring gaskets suitable for waterproof watches?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. These O-ring gaskets are specifically designed to create a reliable watertight seal on watch back cases, helping protect the watch movement from moisture and liquid ingress. They are ideal for maintaining or restoring the water-resistance of waterproof watch models.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How are the gaskets organized in the box?\u003c\/h4\u003e\n\u003cp\u003eA: All 200 gaskets come neatly sorted by size in a compact, high-end storage box measuring approximately 4.33 × 2.68 × 0.59 inches, making it easy to locate and retrieve the exact size you need during repairs.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How many O-ring gasket sizes are included in this 200-piece watch gasket set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This set includes 18 different sizes ranging from 16mm to 30mm, with approximately 11 pieces per size, totaling 200 rubber O-ring gaskets. This wide range ensures compatibility with the vast majority of watch back cases on the market.\"}}, {\"@type\": \"Question\", \"name\": \"What thickness options are available in these watch back case O-ring gaskets?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit includes gaskets in two thickness variants — 0.5mm and 0.6mm — to provide a more precise and secure fit for different watch case back profiles.\"}}, {\"@type\": \"Question\", \"name\": \"Are these rubber O-ring gaskets suitable for waterproof watches?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. These O-ring gaskets are specifically designed to create a reliable watertight seal on watch back cases, helping protect the watch movement from moisture and liquid ingress. 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